Propose a synthesis route to prepare the following pro ote that more than one step reaction is required, and cluding preparation of the intermediates.Propose a synthesis route to prepare the following product from the given starting material.

Note that more than one step reaction is required, and you must show all the reaction steps

including preparation of the intermediates.

Ibuprofen

from isobutylbenzene

$(10$ marks$)$

from $1-$propanol